Lions vs Rams Prediction, Odds & Best Prop Bets – NFL, Week 15

BetMGM Betting Dec 13, 2025, 11:20 AM

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General interior view of SoFi Stadium, the home of Los Angeles Rams before an NFL football game between the Los Angeles Rams and the Seattle Seahawks, Sunday, Jan. 5, 2025, in Inglewood, Calif. (AP Photo/Kyusung Gong)

(AP Photo/Kyusung Gong)

The Rams are -5.5 point favorites vs the Lions
Total (Over/Under): 55.5 points
Watch this game on FOX

The Detroit Lions (8-5-0) visit SoFi Stadium to take on the Los Angeles Rams (10-3-0) on Dec. 14. Kickoff is scheduled for 4:25pm EST in Inglewood, CA.

The Rams are betting favorites in this matchup, with the spread sitting at -5.5 (-110).

The Lions vs. Rams Over/Under is 55.5 total points for the game.

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Lions vs. Rams Odds, Spread, Over/Under

	Spread	Total (O/U)	Moneyline
Lions	+5.5 -110	55.5 -115	200
Rams	-5.5 -110	55.5 -105	-250

Lions vs. Rams Prediction

The winning team model predicts the Rams will win this game with 69.5% confidence, based on game simulations, player injuries, offensive & defensive matchups and recent game results.

Lions vs Rams Spread Prediction

Based on recent against-the-spread trends, the model predicts the Lions will cover the spread with 57.1% confidence.

This prediction against the spread factors in ATS performances for both teams, opening and current betting lines plus public and sharp money already wagered on this matchup.

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We’ve highlighted some favorite NFL player prop bets for Lions players this game, looking at profitable historical betting trends:

Best Lions Player Prop Bets Today

David Montgomery has hit the Longest Reception Over in 8 of his last 9 games (+6.85 Units / 65% ROI)
Jahmyr Gibbs has hit the Receiving Yards Over in 7 of his last 8 away games (+5.85 Units / 62% ROI)
Jared Goff has hit the Carries Under in 12 of his last 18 games (+5.85 Units / 28% ROI)
Jared Goff has hit the Passing Yards Over in 12 of his last 18 games (+5.05 Units / 24% ROI)
David Montgomery has hit the Rushing Yards Under in 10 of his last 15 games (+4.45 Units / 26% ROI)

And here are some top NFL player prop bets for Rams players for this matchup, looking at profitable historical betting trends:

Best Rams Player Prop Best Bets Today

Matthew Stafford has hit the Interceptions Under in 14 of his last 18 games (+8.65 Units / 37% ROI)
Colby Parkinson has hit the Receiving Yards Over in 7 of his last 8 games (+5.90 Units / 65% ROI)
Blake Corum has hit the Receiving Yards Under in 7 of his last 8 games (+5.70 Units / 59% ROI)
Colby Parkinson has hit the Receptions Over in 6 of his last 7 games (+5.40 Units / 67% ROI)
Matthew Stafford has hit the Pass Attempts Under in 12 of his last 18 games (+5.35 Units / 27% ROI)

Lions Best Bets:

The Detroit Lions have hit the 1H Game Total Over in 16 of their last 22 games (+9.20 Units / 37% ROI)
The Detroit Lions have hit the 2H Moneyline in 12 of their last 18 games (+7.85 Units / 23% ROI)
The Detroit Lions have covered the 4Q Spread in 13 of their last 18 games (+7.15 Units / 34% ROI)
The Detroit Lions have hit the 4Q Moneyline in 12 of their last 18 games (+6.42 Units / 22% ROI)
The Detroit Lions have covered the 3Q Spread in 7 of their last 8 away games (+5.80 Units / 57% ROI)

Rams Best Bets:

The Los Angeles Rams have covered the Spread in 17 of their last 22 games (+11.40 Units / 47% ROI)
The Los Angeles Rams have hit the 2Q Moneyline in 14 of their last 19 games (+9.55 Units / 29% ROI)
The Los Angeles Rams have hit the 4Q Moneyline in 10 of their last 19 games (+8.50 Units / 29% ROI)
The Los Angeles Rams have covered the 2Q Spread in 14 of their last 19 games (+8.40 Units / 39% ROI)
The Los Angeles Rams have hit the Team Total Over in 15 of their last 22 games (+6.95 Units / 27% ROI)

Lions Against the Spread (ATS) Record

Against the spread this NFL season, the Lions are 7-6 (+0.4 Units / 2.8% ROI).

Lions are 8-5 when betting on the Moneyline for -0.75 Units / -1.75% ROI
Lions are 8-5 when betting the Over for +2.5 Units / 17.48% ROI
Lions are 5-8 when betting the Under for -3.8 Units / ROI

Rams Against the Spread (ATS) Record

Against the spread this NFL season, the Rams are 9-4 (+4.5 Units / 31.25% ROI).

Rams are 10-3 when betting on the Moneyline for -0.6 Units / -1.34% ROI
Rams are 6-7 when betting the Over for -1.7 Units / -11.89% ROI
Rams are 7-6 when betting the Under for +0.4 Units / 2.8% ROI

Detroit Lions: Keys to the Game vs. the Los Angeles Rams

The Rams have gone three and out on 3% of their drives in the 1st quarter this season — T-best in NFL; League Avg: 21%.

The Rams ran successful plays on 73% of rush attempts in Week 14 — best in NFL; League Avg: 44%.

The Rams ran successful plays on 78% of plays in the 1st half in Week 14 — best in NFL; League Avg: 43%.

The Rams have run successful plays on 52% of plays on motion plays this season — best in NFL; League Avg: 43%.

Los Angeles Rams: Keys to the Game vs. the Detroit Lions

The Rams defense did not allow a successful play on any rush attempt on motion plays in Week 14 — best in NFL; League Avg: 43%.

The Rams defense has tackled opponents for a loss on just 20 of 338 rushing attempts (6% TFL%) this season — worst in NFL; League Avg: 12%.

The Rams defense have allowed 0.15 epa per play open coverage this season — T-best in NFL; League Avg: 0.38.

The Rams defense did not allow a successful play on any rush attempt in the 1st half in Week 14 — best in NFL; League Avg: 46%.

Additional Matchup Notes for Detroit Lions vs. Los Angeles Rams